80751760

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{27281}}^1$

素因数の和:27331

約数の個数: 40

約数和(自身を含む): 192829176

約数和(自身を除く): 112077416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 27281, 54562, 109124, 136405, 218248, 272810, 436496, 545620, 1009397, 1091240, 2018794, 2182480, 4037588, 5046985, 8075176, 10093970, 16150352, 20187940, 40375880, 80751760]

約数ペア:

[(1, 80751760), (2, 40375880), (4, 20187940), (5, 16150352), (8, 10093970), (10, 8075176), (16, 5046985), (20, 4037588), (37, 2182480), (40, 2018794), (74, 1091240), (80, 1009397), (148, 545620), (185, 436496), (296, 272810), (370, 218248), (592, 136405), (740, 109124), (1480, 54562), (2960, 27281)]